Should I be marking up the +3V3, 3V3_SCL, 3V3_SVA and GND aux wires before I pot so I know which is which on the ROV end or does this not matter?

And am I right in thinking the 4 I2C & 2 AUX wires are currently not connected anything on the ROV end? (A vague description I know but I have 6 wires and can't see in the guide what they are going to connect to)